The buartnut is a hybrid cross of the butternut and the heartnut. Trees exhibit disease resistance, hybrid vigor, and bear large crops.

Crossing: Butternut (Juglans cinerea) x Heartnut (Juglans ailanthifolia var. cordiformis)
Vigour: vigorous tree with wide spreading canopy
Pollination: recommended pollenizer is Butternut
Nut: medium-sized
Kernel: Heartnut-like but yellow, can be easily removed from the shell
Taste: very good
Harvest season: the nuts ripen in late September
Yield: bears fruit 3 to 5 years after planting, regularly produces high yields
Disease resistance: tree overall vital and climatically robust
Frost resistance: completely frost hardy